Now showing items 1-20 of 88

    • Aging and structural relaxation of hyper-quenched Mg65Cu25Y10 metallic glass 

      Zhai, Fuqiang; Pineda Soler, Eloi; Ruta, Beatrice; Gonzalez Silveira, Marta; Crespo Artiaga, Daniel (2014-12-05)
      Article
      Open Access
      The structural relaxation, glass transition and crystallization processes of Mg65Cu25Y10 metallic glass are studied by Differential Scanning Calorimetry (DSC) and Mechanical spectroscopy. The relaxation model derived from ...
    • Anti-aging in ultrastable metallic glasses 

      Lüttich, Martin; Giordano, Valentina; LeFloch, Sylvie; Pineda Soler, Eloi; Zontone, Federico; Luo, Yuansu; Samwer, Konrad; Ruta, Beatrice (2018-03-30)
      Article
      Open Access
      As ultrastable metallic glasses (UMGs) are promising candidates to solve the stability issues of conventional metallic glasses, their study is of exceptional interest. By means of x -ray photon correlation spectroscopy, ...
    • Anti-Aging in ultrastable metallic glasses 

      Luettich, Martin; Giordano, Valentina; LeFloch, Sylvie; Pineda Soler, Eloi; Zontone, Federico; Luo, Yuansu; Samwer, Konrad; Ruta, Beatrice (2018)
      Conference report
      Restricted access - publisher's policy
      Metallic glasses (MGs) show outstanding mechanical, physical and chemical properties and so provide a whole class of materials at the cutting-edge research in metallic and glassy systems1. However, MGs suffer from aging, ...
    • Application of mechanically alloyed Mn-Al metallic particles to wastewater treatment: a comparative investigation of chemical and bacterial approaches to dye degradation in residual textile waters 

      Abolighasemabadi, Mitra; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J.; Doelle, Klaus; Chatterje, Siddharth (2018)
      Conference lecture
      Open Access
    • Application of mechanically alloyed MnAl particles to de-colorization of azo dyes 

      Abolighasemabadi, Mitra; Mbarek Wael, Ben; Casabella, Oriol; Roca Bisbe, Helena; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J. (2018-04-15)
      Article
      Open Access
      The use of metallic particles has been shown to be an effective, low-cost method for degradation of many contaminating compounds. In this work, we analyze the efficiency of MnAl metallic powders for degrading azo dyes, ...
    • Azo-dye degradation by Mn–Al powders 

      Abolighasemabadi, Mitra; Mbarek Wael, Ben; Cerrillo Gil, Andrea; Roca Bisbe, Helena; Casabella, Oriol; Blánquez, Paqui; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose (2020-03-15)
      Article
      Restricted access - publisher's policy
      Manganese–Aluminum powders were recently reported to show high efficiency and fast reaction rates as decolorization materials for azo-dye aqueous solutions. This work presents a detailed study of different aspects of this ...
    • Characterization of mechanical relaxation in a Cu-Zr-Al metallic glass 

      Liu, Chaoren; Pineda Soler, Eloi; Crespo Artiaga, Daniel (2015-09-15)
      Article
      Open Access
      The temperature dependence of the relaxation times of Cu46Zr46Al8 glass was measured by means of mechanical spectroscopy and static stress-relaxation measurements. The weak intensity of secondary relaxation in this alloy ...
    • Characterization of the stress-temperature-time relaxation spectrum of metallic glasses 

      Pineda Soler, Eloi; Yang, Fan (2018)
      Conference report
      Open Access
    • Cinètica poblacional de processos de cristal·lització i recristal·lització 

      Pineda Soler, Eloi (Universitat Politècnica de Catalunya, 2002-05-21)
      Doctoral thesis
      Open Access
      Els materials nanocristal·lins han esdevingut darrerament un dels camps de recerca més actius en l'àrea de la Ciència de Materials. Aquest tipus de materials, caracteritzats per la presència d'estructures organitzades de ...
    • Comparing the atomic and macroscopic aging dynamics in an amorphous and partially crystalline Zr44Ti11Ni10Cu10Be25 bulk metallic glass 

      Evenson, Zach; Payes Playa, Alba; Chushkin, Y.; di Michiel, Marco; Pineda Soler, Eloi; Ruta, Beatrice (Cambridge University Press, 2017-06-14)
      Article
      Open Access
      Several recent X-ray photon correlation spectroscopy works have reported an anomalous atomic dynamics in hyperquenched metallic glasses. Here, we compare and contrast these microscopic dynamics with that found in a ...
    • Dealloying of Cu-Mg-Ca alloys 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-08)
      Article
      Open Access
      The chemical dealloying of Cu-Mg-Ca alloys in free corrosion conditions was investigated for different alloy compositions and different leaching solutions. For some of the precursor alloys, a continuous, pure fcc copper ...
    • Degradation of azo dyes by rapidly solidified metallic particles 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Khitouni, Mohamed; Fiol Santalo, Núria; Escoda, Lluïsa; Suñol Martinez, Juan Jose (2015)
      Conference lecture
      Open Access
      Azo compounds are one of the most common families of dyes used in textile and leather treatments. An important step during the treatment of water polluted by these compounds, is the degradation of the compounds by ...
    • Domain size distribution in a Poisson-Voronoi nucleation and growth transformation. Physical Review E 

      Pineda Soler, Eloi; Garrido, Victor; Crespo Artiaga, Daniel (American Physical Society, 2007-04-30)
      Article
      Open Access
      Random subdivisions of space originated in a nucleation and growth process are commonly observed in many scientific fields, such us metallurgy, geology, biology and ecology. One of the simplest of these processes is the ...
    • Dynamic mechanical relaxation and thermal creep of high-entropy La30Ce30Ni10Al20Co10 bulk metallic glass 

      Zhang, LangTing; Duan, Yajuan; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Wang, Yun-Jiang; Pelletier, J. M.; Qiao, Jichao (2021-08-03)
      Article
      Restricted access - publisher's policy
      Dynamic mechanical relaxation is a fundamental tool to understand the mechanical and physical properties of viscoelastic materials like glasses. Mechanical spectroscopy shows that the high-entropy bulk metallic glass ...
    • Dynamic mechanical relaxation behavior of Zr35Hf17.5Ti5.5Al12.5Co7.5Ni12Cu10 high entropy bulk metallic glass 

      Zhang, L.T.; Duan, Y.J.; Wada, T.; Kato, Hidemi; Pelletier, J. M.; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Qiao, J. C. (2021-08-30)
      Article
      Restricted access - publisher's policy
      Non-equiatomic high entropy bulk metallic glasses were reported recently and show unique mechanical and physical properties. Dynamic mechanical relaxation behavior of Zr35Hf17.5Ti5.5Al12.5Co7.5Ni12Cu10 high entropy bulk ...
    • Effect of minor addition on dynamic mechanical relaxation in ZrCu-based metallic glasses 

      Cheng, Yu; Hao, Qi; Qiao, Jichao; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Pelletier, J. M. (2021-02-01)
      Article
      Restricted access - publisher's policy
      The dynamic mechanical behavior of Zr50-xCu34Ag8Al8Pdx (x = 0 and 2) bulk metallic glasses was probed by mechanical spectroscopy. The results suggest that microalloying retards the relaxation dynamics. The physical aging ...
    • Effects of the Addition of Fe, Co on the azo dye degradation ability of Mn-Al mechanically alloyed powders 

      Mbarek Wael, Ben; Saurina Canals, Joan; Escoda, Lluïsa; Pineda Soler, Eloi; Khitouni, Mohamed; Suñol, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-25)
      Article
      Open Access
      Azo compounds are used in the textile and leather industry. A significant step during the azo dyes treatment of water is the degradation by breaking the N=N bonds. This break produces the decolorization of water. In this ...
    • Examen parcial 

      Pineda Soler, Eloi (Universitat Politècnica de Catalunya, 2010-01-12)
      Exam
      Restricted access to the UPC academic community
    • Examen parcial 

      Pineda Soler, Eloi (Universitat Politècnica de Catalunya, 2012-11-19)
      Exam
      Restricted access to the UPC academic community
    • Examen parcial 

      Pineda Soler, Eloi (Universitat Politècnica de Catalunya, 2009-11-09)
      Exam
      Restricted access to the UPC academic community